Table 1.
Preoperative characteristics.
| SMILE (n = 30) | Femto-LASIK (n = 30) | P | |
|---|---|---|---|
| Mean ± SD | Mean ± SD | ||
| Preoperative spherical equivalent (D) | −4.00 ± 1.63 | −3.20 ± 1.58 | 0.120 |
| Preoperative mean keratometry (Keratometric D) | 44.01 ± 1.41 | 44.06 ± 1.33 | 0.851 |
| Preoperative thinnest corneal pachymetry (µm) | 544 ± 28 | 543 ± 29 | 0.954 |
| Preoperative endothelial cell count (cells/mm2) | 2814 ± 228 | 2780 ± 221 | 0.160 |
| Thickness of the removed tissue* (µm) | 80 ± 28.8 | 74 ± 27.1 | 0.761 |
n: number of eyes; SD: standard deviation; D: diopters; µm: micrometer.
*Intended maximum lenticule thickness in the SMILE group; intended maximum ablation depth in the femto-LASIK group.